Cooper Lake Fishing and Stocking
Kittitas County, Washington. The Washington Department of Fish and Wildlife lists 1 stocking here in the latest year of its data (Rainbow Trout), the most recent on May 26, 2026. Stocked in May in two or more years.
2026 Stocking
| Date | Species | Fish | Size |
|---|---|---|---|
| May 26, 2026 | Rainbow Trout | 3,000 | Legals, 2.4 fish per pound |
2025 Stocking
| Date | Species | Fish | Size |
|---|---|---|---|
| May 28, 2025 | Rainbow Trout | 3,000 | Legals, 2.4 fish per pound |
2024 Stocking
| Date | Species | Fish | Size |
|---|---|---|---|
| May 28, 2024 | Rainbow Trout | 3,000 | Legals, 2.4 fish per pound |
Other Stocked Waters in Kittitas County
About This Data
Every row comes from the stocking information published by the Washington Department of Fish and Wildlife, checked Nov 3, 2026. The agency lists this water as “COOPER LK (KITT)”. Species and sizes are given as the agency names them; a dash means the agency does not say.
More for Washington Anglers
Stocking dates and places can change without notice; check with the agency before a trip. ReelTourney is not affiliated with the Washington Department of Fish and Wildlife.